16163036305 has 16 divisors (see below), whose sum is σ = 20922889680. Its totient is φ = 11915624448.

The previous prime is 16163036293. The next prime is 16163036321. The reversal of 16163036305 is 50363036161.

It can be written as a sum of positive squares in 8 ways, for example, as 2195578449 + 13967457856 = 46857^2 + 118184^2 .

It is not a de Polignac number, because 16163036305 - 2⁷ = 16163036177 is a prime.

It is a super-2 number, since 2×16163036305² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171120 + ... + 248209.

It is an arithmetic number, because the mean of its divisors is an integer number (1307680605).

Almost surely, 2^16163036305 is an apocalyptic number.

It is an amenable number.

16163036305 is a deficient number, since it is larger than the sum of its proper divisors (4759853375).

16163036305 is a wasteful number, since it uses less digits than its factorization.

16163036305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419940.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 16163036305 in words is "sixteen billion, one hundred sixty-three million, thirty-six thousand, three hundred five".